Each issue has a different combination of editors and guest editors, who include Claire Brialey (issues 1–9), Warren Buff (issues 21 & 27), Michael Carroll (issue 23 & 25), Aurora Celeste (issue 22), Meg Frank (issue 26), Colin Harris (issues 17 & 19), Emma J. King (issue 13), Esther MacCallum-Stewart (issue 26), Alissa McKersie (issue 19), Emily McLeay (issue 10), Helen Montgomery (issues 13, 18, 20 & 27), Yvonne Rowse (issue 9), Lynda E. Rucker (issue 15), Ian Sorensen (issue 9), Linda Wenzelburger (issue 22 & 26) and Pete Young (issues 3, 7, 12 & 16).
Contributors of writing included Abby Blackfox, Rich Coad, John Coxon, Jay Crasdan, Anne Gray, Glen Glazer, Diana Glyer, Anne Gray, Brian Gray, Steve Green, David A Hardy, John Hertz, Nicholas Hill, Fred Hollander (Hippocampelephantocamelos), L.J. Hurst, Dick 'Ditmar' Jenssen (Etherline), Tony Keen, Emma King, Dave Langford (Ansible), Jean Martin, Paul McAuley, Alissa McKersie, Farah Mendlesohn, Cheryl Morgan (Emerald City), Ulrike O'Brien, Padraig O Mealoid, Christian Payne, Lloyd Penney (Torus), John Perivolaris, Liam Proven, Alastair Reynolds, Ang Rosin, Yvonne Rowse (Barmaid), Lynda E. Rucker, James Shields, Elaine Stiles (BSFan), Taral Wayne (DNQ), Andre F. Wood, Bill Wright and Pete Young.
Contributors of art or photography included Scott Aleric, Katerina Belinskaya, Rachel Bowman, Sophie Collier, Ditmar, David Dunnico, Kurt Erichsen, Brad Foster, Neil Gaiman, Claire Garcia, Anne Gray, Brian Gray, David A. Hardy, J.J. and Lee MacFaddin, Selina Phanara, Kevin Richter, Wyn Rider, Bill Rotsler, Robert Sandberg, Elizabeth Seelye, Nathan Smith, Mo Starkey, Brandi Thomas, John Toon, and Pete Young.
Airstrip One by Alan Moore, Chris Brasted and SMS was reprinted in issue 3.